| Mark Ilgenfritz | |
| Number: | 77 |
| Position: | Defensive end |
| Birth Date: | 9 August 1952 |
| Birth Place: | Honolulu, Hawaii, U.S. |
| Height Ft: | 6 |
| Height In: | 4 |
| Weight Lbs: | 250 |
| High School: | Sandy Springs (GA) |
| College: | Vanderbilt |
| Draftyear: | 1974 |
| Draftround: | 5 |
| Draftpick: | 118 |
| Pastteams: | |
Mark Ilgenfritz (born August 9, 1952) is a former American football defensive end. He played for the Cleveland Browns in 1974.[1] [2]